Microfiber Nanogenerator Schematic (IMAGE) Georgia Institute of Technology Research News Caption Illustration shows the concept behind a microfiber nanogenerator. Microfibers coated with gold (yellow fibers) scrub the nanofibers that are not coated with gold (green) to produce electricity through a coupled piezoelectric-semiconductor process. Credit Courtesy Z.L. Wang and X.D. Wang, Georgia Institute of Technology. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.